Profile: LCR Hallcrest is a producer of color change temperature indicating graphic devices and materials. We are an ISO 13485 certified company. We specialize in the formulation and microencapsulation of liquid crystal mixtures and the development and manufacture of products, pigments, inks and paints that change color. Liquid crystals are chemical compounds and mixtures that exhibit the mechanical properties of liquids and the optical characteristics of solids. Liquid crystals that change color with changes in temperature are known as thermochromic liquid crystals. Microencapsulation is the process that is primarily used to stabilize and protect the liquid crystals. This capability allows the manufacture of exciting color change graphics that can be used in a wide variety of applications. Our brands include Digitemp™, Fever Scan™, Fever Temp™, Clinitemp™, Feverline™, Thermostrip™, and Thermax™.